How to Shop for a Good Dehumidifier

It is important to maintain an optimum humidity in the home, because too high levels of humidity can be harmful to your health and for your home as well. If you have problems with musty odors, humidity, condensation and mold or you have allergies, we can give you some last minute shopping tips in order to help you find a dehumidifier that suits you.

3 important aspects that must be taken into account when selecting an air dehumidifier:

  • The volume of air to be treated
  • The room temperature
  • The observed and desired humidity level

The main characteristics of a dehumidifier are:

  • Extraction capacity
  • Costs
  • Air flow
  • Permanent drainage
  • Tank Capacity
  • Consumption


The capacity or absorption of the an dehumidifier is very important: indeed, the essential element of a dehumidifier is its capacity for water extraction in a day. The measurement conditions are referential humidity of 80% for a temperature of 30 ° C. This standard will allow you to compare different models. The smaller models have a 0.5 liter extraction capacity in 24 hours.
They are suitable for cabinets, wardrobes or cars. The most powerful dehumidifiers can absorb more than 100 liters in 24 hours.

Types of dehumidifiers

A dehumidifier is either electrical or chemical. The electric dehumidifier has a ventilation system which draws in ambient air which, once condensed, is transformed into water. The chemical dehumidifier is easy to use. It uses a chemical, such as calcium chloride to absorb water from the air. Although it is considered more efficient, keep in mind that the electrical is much more expensive to purchase. If moisture problems are quite low, the chemical solution may work well be for you.
The exhaust system in a tank differs according to the models. More convenient in terms of installation, the tank will expose its limitations pretty quickly if it’s a high humidity level(it must be emptied regularly).

The sound level

This aspect is very important because a dehumidifier can do a lot of noise! Therefore, you have to make sure that it will not be very noisy and distract you and your family from daily home activities. It is generally considered that a dehumidifier must have a sound level between 40 and 50 dB. If the number is lower, we speak of a silent device. If it’s higher, it’s not alerting if it’s reasonable.


Important criterion of choice when you have moisture problems in its housing: price. Electric dehumidifiers are naturally more expensive to get than chemical dehumidifier. Electrical dehumidifier are available on the market from $100 to $500, while a chemical dehumidifier cost only $10 or $20, but you have to change the capsules regularly or buy a brand new one once it runs out.

These being said, we should also mention that understanding the main features of a dehumidifier is not enough in order to make an informed purchase. You should also read several reviews because all manufacturers advertise their products as being good, but only real reviews can tell you if a product is durable and works as it should. On you can find some real, unbiased reviews that will give you some useful last minute shopping tips that will help you decide which dehumidifier model to buy.

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